Byd Company Limited

Jinxiang Wu

Long He

Jun Shan

Gang Hu

Jialing Hu

Lina Jin

Bowen Xuan

Xiaodong Cao

The present disclosure provides a polymer separator and preparation method thereof, and a lithium-ion battery including the polymer separator and preparation method thereof. The polymer separator includes a porous substrate, a hydrophilic blocking layer, and a porous polar polymer bonding layer. The hydrophilic blocking layer is disposed between the porous substrate and the porous polar polymer bonding layer. Pore walls in the porous polar polymer bonding layer are provided with node structures.

Separator including substrate, hydrophilic blocking layer, and polar polymer bonding with nodal structure, and method of preparing the same

The disclosure relates to the field of lithium-ion batteries, and discloses a polymer composite membrane and a method for preparing same. The disclosure further includes a lithium-ion battery for which the foregoing polymer composite membrane is used. The polymer composite membrane includes a porous base membrane and a heat-resistant fiber layer covering at least one side surface of the porous base membrane, where materials of the heat-resistant fiber layer contain a first polymeric material and a second polymeric material.

Polymer composite membrane, preparation method for same, and lithium-ion battery including same

Growing community of inventors

Shenzhen, China

Jinxiang Wu